Bumble bees (Bombus spp.) are an important group of North American wild pollinators. However, in the latter half of the 20th century, concern has arisen because of a noticeable declines in many species’ populations—due to a variety of factors including pesticides and diseases from managed bees.
Decline of the world’s rarest bumble bee
The Klamath Mountain endemic Franklin’s bumble bee (Bombus franklini) was named in 1921 for Henry J. Franklin, who authored the bumble bees of North and South America (1913). The Franklin’s is even more vulnerable than other Bombus species due to its restricted range—confined to Siskiyou and Trinity counties in California; and Jackson, Douglas and Josephine counties in Oregon. This is considered the smallest range of any Bombus species in the world.
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